Sources published a report on 11 September 2026 that drew attention to an emerging pattern of narcotics concealment inside vessel sea chests, citing work by maritime intelligence firm Windward MIOC. The report records repeated use of this shipboard cavity to smuggle substantial quantities of cocaine on routes from Latin America to multiple world regions.
Windward MIOC has documented 20 confirmed cases of narcotics concealed inside vessel sea chests since 2017, according to reports account. Cumulative seizures across those documented incidents exceed two tonnes, the material records show.
Scope of the documented cases
The Windward analysis links origin ports in Latin America with destinations in Europe, the Asia-Pacific, Oceania and North America, suggesting the concealments were intended for a wide range of international markets. The report gives no list of individual ports but frames the pattern as transregional rather than confined to a single corridor.
Methods observed
At least one of the 20 confirmed cases involved specialised stealth diving equipment, the report states, and all the cases recorded by Windward involved concealment inside the vessel sea chest. The factual notes do not elaborate further on technical details or on how access to the concealments was achieved.
The reports item carries the headline The Cocaine Is Below the Waterline and the Crew Has No Idea, reflecting the premise that concealed loads within sea chests can be difficult for crews and routine inspections to detect. The published summary attributes the case compilation and figures to Windward MIOC and limits itself to the documented incidents since 2017.
The concentration of cases in a defined concealment space and the substantial cumulative tonnage recorded will be of interest to owners, managers and authorities tasked with vessel security and anti-smuggling enforcement. The verified notes make clear only the existence, number and scale of documented incidents rather than drawing conclusions about wider prevalence beyond those twenty cases.
The report dated 11 September 2026 and the Windward MIOC data together present a discrete catalogue of confirmed incidents spanning nearly a decade. They provide a factual baseline for further inquiry but stop short of prescribing operational responses or asserting trends beyond the documented cases.
For now, the published record stands as a factual inventory: 20 confirmed instances of narcotics concealed in sea chests since 2017, cumulative seizures in excess of two tonnes and at least one instance involving specialised diving equipment, with origins traced to Latin American ports and destinations across Europe, Asia-Pacific, Oceania and North America, as reported and attributed to Windward MIOC.